Colorado voters rejected a ballot measure to increase income taxes by nearly $1 billion to provide more funding for public schools by a 2-1 margin. The campaign behind the measure had raised $10 million and Gov. John Hickenlooper supported the proposal.

Six of the 11 counties in Colorado with the question on its ballot voted to secede and create a new state. But the effort is unlikely to succeed, as it would have to be approved by both the state and Congress.

The incumbent Reed sailed to re-election Tuesday, winning "every precinct, every neighborhood, every quadrant of the city of Atlanta." In his second term, he wants to make Atlanta the "center of logistics in the Western Hemisphere."

Meet Boston's new mayor, Marty Walsh. A son of Irish immigrants, Walsh overcame a childhood fight against cancer and a young adult's struggle with alcoholism. He succeeds Tom Menino, the city's longest-serving mayor in history.

In Detroit, voters have elected the city's first new mayor since it was taken over by the state and filed for bankruptcy protection. Race also became an issue in the election — Mike Duggan is the first white mayor to represent Detroit's majority black population in four decades.

City Councilor Betsy Hodges looks likely to emerge victorious from the 35-candidate field in the Minneapolis mayor's election after finishing with 36 percent of voters' first-choice ballots. The city is employing a "ranked choice" voting system for the first time, so the final results won't be known until the second- and third-choice ballots are counted Wednesday.

State Sen. Ed Murray appears poised to defeat incumbent Seattle Mayor Mike McGinn, earning 56 percent of the vote in the initial round of ballot counting. Since Washington voters submit ballots by mail, some votes have yet to be tabulated.

A ballot measure that requires the labeling of genetically modified food is headed for defeat in Washington state. Some influential members of the food and beverage industry opposed the initiative, raising a state record $22 million to defeat it.